"If you were looking for a philosopher likely to appeal to Americans, Friedrich Nietzsche would be far from your first choice. After all, in his blazing career, Nietzsche took aim at nearly all the foundations of modern American life: Christian morality, the Enlightenment faith in reason, and the idea of human equality. Despite that, for more than a century Nietzsche has been a hugely popular--and surprisingly influential--figure in American thought...